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Festo
1550891
Servomotor EMMS-AS-70-SK-LS-RRB
The Festo 1550891 is an industrial component featuring a nominal operating and DC voltage of 360 V, 4 pole pairs, a standstill torque of 1.64 Nm, and a nominal torque of 1.43 Nm with a star inside winding switch type. Conforming to IEC 60034 with an IP54 protection class and insulation class F, it operates within an ambient temperature range of -40 to 40 °C and features PTC resistor temperature monitoring, a DIN 6885 A 4 x 4 x 16 featherkey shaft design, and a plug electrical connector system. This RoHS-compliant unit achieves an S1 rating class under EN 60034-1, a CRC 2 moderate corrosion resistance classification, and holds RCM Mark and c UL us Recognized authorizations while carrying the CE symbol according to EU-EMV and low voltage guidelines. Submit the exact part number, quantity, and application requirements for a quote.
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Request a Quote- Manufacturer
- Festo
- Part number
- 1550891
- Data verification
- Manufacturer evidence reviewed
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Exact part-number verificationTechnical properties are matched to 1550891.
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Manufacturer documentationA document is added when the reviewed source provides one.
Verified configuration
Technical Specifications
- Ambient temperature
- -40 ... 40 °C
- Storage temperature
- -20 ... 60 °C
- Relative air humidity
- 0 - 90 %
- Conforms to standard
- IEC 60034
- Insulation protection class
- F
- Rating class according to EN 60034-1
- S1
- Temperature monitoring
- PTC resistor
- Protection class
- IP54
- Shaft design Featherkey
- DIN 6885 | A 4 x 4 x 16
- Electrical connector system
- Plug
- Materials note
- Conforms to RoHS
- Corrosion resistance classification CRC
- 2 - Moderate corrosion stress
- Authorization
- RCM Mark | c UL us - Recognized (OL)
- CE symbol (see declaration of conformity)
- according to EU-EMV guideline | according to EU low voltage guideline
- Nominal operating voltage DC
- 360 V
- Nominal voltage DC
- 360 V
- Type of winding switch
- Star inside
- Number of pole pairs
- 4
- Standstill torque
- 1.64 Nm
- Nominal torque
- 1.43 Nm
- Peak torque
- 3.1 Nm
- Nominal rotary speed
- 5,300 1/min
- Max. speed
- 6,450 1/min
- Nominal motor power
- 866 W
- Nominal motor current
- 2.2 A
- Peak current
- 5 A
- Motor constant
- 0.647 Nm/A
- Voltage constant, phase-to-phase
- 39.47 mVmin
- Phase-phase winding resistance
- 7.66 Ohm
- Phase-phase winding inductance
- 14.5 mH
- Overall mass moment of inertia at power take-off
- 0.46 kgcm2
- Product weight
- 2,390 g
- Permissible axial shaft load
- 75 N
- Permissible radial shaft load
- 150 N
- Rotor position sensor
- Resolver
- Rotary position encoder interface
- SIN/COS analogue signal
- Rotary position encoder measuring principle
- Inductive
- Brake holding torque
- 2 Nm
- Operating voltage DC for brake
- 24 V
- Power consumption, brake
- 11 W
- Mass moment of inertia of brake
- 0.07 kgcm2
- Switching cycles, holding brake
- 10 million idle actuations (without friction work)
- MTTF, subcomponent
- 80 years, rotary position encoder | 1769 years, holding brake
- MTTFd, subcomponent
- 160 years, rotary position encoder
Engineering context
Identification and RFQ Guidance
What to include in your RFQ
Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.
Technical verification
Our sourcing response is prepared against Festo 1550891. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.